5921645 ?This year\'s war at Contalmaison. Burmese troops hold a council of war upon rats?, 1917 circa (b/w photo) by Unknown photographer, (20th century); National Army Museum, London; (add.info.: This year\'s war at Contalmaison. Burmese troops hold a council of war upon rats\', 1917 circa. Photograph, World War One, Western Front (1914-1918), 1917 circa. Thousands of Burmese, Chinese and Indian labourers served on the Western Front building fortifications and trenches, loading and moving supplies, and maintaining transport and communication links. Without their help the Allies could not have defeated the Germans. From a collection of official photographs.); by National Army Museum ; out of copyright.